Router base



FIG. 1 is a front perspective view of a router base embodying the present invention.

FIG. 2 is rear perspective of the router base shown in FIG. 1.

FIG. 3 is a front view of the router base shown in FIG. 1.

FIG. 4 is a rear view of the router base shown in FIG. 1.

FIG. 5 is a left side view of the router base shown in FIG. 1.

FIG. 6 is a right side view of the router base shown in FIG. 1.

FIG. 7 is a top view of the router base shown in FIG. 1; and,

FIG. 8 is a bottom view of the router base shown in FIG. 1.

The broken line showing of the environment is for illustrative purposes only and forms no part of the claimed design. 

We claim the ornamental design for a router base, as described and shown. 